GM> -=> about "TRAFFIC LIGHT" on 12-08-02  18:29.....

GM> GM> I can't imagine how they would make grease filled ones work
GM> GM> reliably over a wide range of temperatures...

GM> RS> Corning silicon grease (damping fluid).

It doesn't, but it does have a MORE constant viscosity than
most materials. I have at tube of it in my storage shed with
the cap off and it does drip a little when the weather is
warm/hot.

Jay

GM>I didn't realize that it had a constant viscosity over a wide
GM>range of temperatures.

GM>But I still haven't seen any using grease.

GM>The cheap home ones I've seen all use an air damper, and the more
GM>expensive home ones and the commercial ones I've seen all use oil
GM>with a small screw-controlled valve to adjust them. Some have two
GM>screws, the second one to adjust the slam at the end of the close
GM>so the latch will catch.

GM>How would you adjust the rate on a grease damped closer?

GM>From Greg Mayman, in beautiful Adelaide, South Australia

GM>... He who desires, but acts not, breeds pestilence. - William Blake
GM>___ Blue Wave/386 v2.30

GM>--- FLAME v2.0/b
(3:800/449)                                              

---
 þ OLXWin 1.00b þ Forest Lawn's nice to visit, but nobody wants to live there